Answer: it’d be light and dark values! 
Explanation: this is clearly evident with Lewis Hine’s because of the black and white color scheme but inspecting Sheeler’s art you can see the contrasting colors. Along with most of the shading in his art and how it interacts with the architectural aspect of it. I hope this is correct since I’m of sure if u have a certain set of photos that may affect your answer.
 
        
                    
             
        
        
        
Answer:
No 
Explanation:
Use a radio instead the static of a radio can develop into words and is much easier for a paranormal energy to communicate through, a talk box will distort your hearing and can trick you into thinking the energy said something when it didn’t this is because your focusing on hearing words and your mind will develop words out of the sounds the talk box creates. A static radio however won’t confuse you but requires more effort to listen for words. But is more accurate or likely to pick up a voice towards certain energy’s 
 
        
             
        
        
        
Comunication es muy importante en la sociedad porque todo se haya en hablar. Respuestas se hayan comunicando con uno al otro.
        
             
        
        
        
The answer choices are not there, but if this is the edge2020 question, i’m going to say it is spiral brushes. please mark brainliest only if it helped!